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Finding the Fourth Proportional to 104,040.19, 143,560.07 and 63,183.07

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Solution

The fourth proportional to 104,040.19, 143,560.07 and 63,183.07 is: 87,183.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,040.19 : 143,560.07 = 63,183.07 : x
  2. Step 2: Convert to fraction form
    104,040.19/143,560.07 = 63,183.07/x
  3. Step 3: Cross multiply
    104,040.19x = 143,560.07 × 63,183.07
  4. Step 4: Simplify right side
    104,040.19x = 9,070,565,952.01
  5. Step 5: Solve for x
    x = 9,070,565,952.01/104,040.19
  6. Step 6: Final answer
    x = 87,183.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.